1. Material: metal
2. Knock function: knock the balance weight into the wheel hub
3. Clamping function: the balance weight can be clamped into or out of the wheel hub
4. Screwdriver function: additional functions for emergency use
5. Anti-slip function: beautiful and anti-corrosion
6. Handle opening length: 140 mm
7. Hammer face diameter: 23mm
8. Clamping opening: 30mm
9. Weight: 437 grams